Here's what rhymes with raduga.
beluga Words that almost rhyme with raduga
chukka pukka bazooka tuna tua puma tuba duenna doodah ua hua lacuna pupa stupa summa hula supra sutra scuba louvre satsuma fistula helluva appaloosa manoeuvre macula scrofula barracuda hallelujah vicuna incunabula outmanoeuvre